Prime Focus Moon

Prime focus image of 1/4 full moon. Craters near top to right of terminator are 71 km x 71 km Hercules and 90 km x 90 km Atlas. The ones in lower middle right at terminator are one in middle at terminator are Theophilus, Cyrillus, and Catharina. Seas are (from upper left): Serenitatis, Crisium, Tranquilitatus, Fecunditatus and Nectaris.

Images taken with TEC-140 Telescope mounted on Losmandy G11 mount. Camera used was a Canon EOS20D used at prime focus.

Single 1/1000 sec exposure